What is 8 times the sum of g and n in word form?

Given the following statements, which is the best

The conversion factor relating feet to meters is 1 ft=0.305 m. keep in mind that when using conversion factors, you want to make sure that like units cancel leaving you with the units you need. you have been told that a certain house is 164 m2 in area. how much is this in square feet?

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?